Montreal Travel Guide

Weather in Montreal

Temperature

Average temperatures in Montreal vary an incredible amount. Considering humidity, temperatures feel cold for about half of the year and otherwise nice with a chance of rain or snow throughout most of the year. The area is less temperate than some — in the 28th percentile for pleasant weather — compared to tourist destinations worldwide. Weeks with ideal weather are listed above. If you’re looking for the very warmest time to visit Montreal, the hottest months are July, August, and then June. See average monthly temperatures below. The warmest time of year is generally mid July where highs are regularly around 81.4°F (27.4°C) with temperatures rarely dropping below 65.1°F (18.4°C) at night.

Montreal Temperatures (Fahrenheit)

Key

High

Average

Low

Montreal Temperatures (Celsius)

Key

High

Average

Low

“Feels-Like” Temperatures

The way we experience weather isn’t all about temperature. Higher temperatures affect us much more at higher humidity, and colder temperatures feel piercing with high winds. Our perceived temperatures factor in humidity and wind chill to better represent how hot or cold the day feels to a person.

Montreal Perceived Temperature (F)

Key

High

Average

Low

Montreal Perceived Temperature (C)

Key

High

Average

Low

Average Montreal Temperatures by Month

Daily highs (averaged for the month) usually give the best indication of the weather. A significantly lower mean and low generally just means it gets colder at night.

Show Fahrenheit

Month

Avg. High (°F)

Avg. Mean (°F)

Avg. Low (°F)

Jan

25.9

17.7

10.8

Feb

27.2

19.2

12.4

Mar

39.2

30.3

22.9

Apr

55.4

45.3

37.3

May

69.8

59

49.9

Jun

76.5

66.6

58.7

Jul

81

71.6

64.1

Aug

79.3

70

62.4

Sep

73

62.9

55.2

Oct

58.3

50

43.4

Nov

46

38.2

32.3

Dec

32

25.1

19.3

Show Celsius

Month

Avg. High (°C)

Avg. Mean (°C)

Avg. Low (°C)

Jan

-3.4

-7.9

-11.8

Feb

-2.7

-7.1

-10.9

Mar

4

-0.9

-5.1

Apr

13

7.4

2.9

May

21

15

9.9

Jun

24.7

19.2

14.8

Jul

27.2

22

17.8

Aug

26.3

21.1

16.9

Sep

22.8

17.2

12.9

Oct

14.6

10

6.3

Nov

7.8

3.4

0.2

Dec

0

-3.8

-7.1

Precipitation (Rain or Snow)

If dry weather is what you’re after, the months with the lowest chance of significant precipitation in Montreal are January, November, and then September. Note that we define “significant precipitation” as .1 inches or more in this section. The lowest chance of rain or snow occurs around early February. For example, on the week of February 5th there is 1 day of precipitation on average. By contrast, it’s most likely to rain or snow in late May to early June with an average of 3 days of significant precipitation the week of May 28th.

When can you find snow in Montreal? Weather stations report a bit of annual snow likely to be deepest around December, especially close to late December. The best time to ski (if at all) in Montreal is often around around November 19th when fresh powder is deepest. Please note that a value of 0 for snow in the graph below may either mean there was no snow, or that snow is unreported.

Chanceof Precipitation

The graph below shows the % chance of rainy and snowy days in Montreal.

Key

Days with precipitation

Snow on the Ground

The graph below shows the average snow on the ground in Montreal (in).

Key

Snow depth

Average Rain and Snow by Month

Show Inches

Month

Daily Chance of Rain

Average Snow Depth (in)

Total Precipitation (in)

Jan

20%

0

2.6

Feb

22%

0

2.5

Mar

22%

0

2.9

Apr

26%

0

3.7

May

26%

0

4.1

Jun

28%

0

4.5

Jul

25%

0

4

Aug

23%

0

4.2

Sep

21%

0

3.3

Oct

27%

0

4.4

Nov

21%

0.4

2.6

Dec

32%

3

5

Show Centimeters

Month

Daily Chance of Rain

Average Snow Depth (cm)

Total Precipitation (cm)

Jan

20

0

6.6

Feb

22

0

6.4

Mar

22

0

7.4

Apr

26

0

9.4

May

26

0

10.4

Jun

28

0

11.4

Jul

25

0

10.2

Aug

23

0

10.7

Sep

21

0

8.4

Oct

27

0

11.2

Nov

21

1

6.6

Dec

32

7.6

12.7

Humidity and Wind

Montreal has some slightly muggy months, with moderately humid months on the other side of the year. The least humid month is April (45.6% relative humidity), and the most humid month is December (67.8%).

Wind in Montreal is usually extremely calm. The windiest month is March, followed by April and May. March’s average wind speed of around 4 knots (4.7 MPH or 7.5 KPH) is considered “a light breeze.” Maximum sustained winds (the highest speed for the day lasting more than a few moments) are at their highest in mid April where average top sustained speeds reach 7.2 knots, which is considered a gentle breeze.

Relative Humidity (%)

The graph below shows the average % humidity by month in Montreal.

Key

Avg. Relative Humidity

Wind

The graph below shows wind speed (max and average) in knots.

Key

Max Sustained Wind

Average Daily Wind

Average Wind Speeds

Show Wind Speeds

All wind speeds are in knots. 1 knot = 1.15 MPH or 1.85 KPH.

Month

Avg. Wind

Avg. Wind Feel

Sustained High Wind

High Wind Feel

Jan

3.7

Barely noticeable

6.3

Light breeze

Feb

3.7

Barely noticeable

6.4

Light breeze

Mar

4

Light breeze

6.8

Light breeze

Apr

4

Light breeze

6.9

Light breeze

May

3.8

Barely noticeable

6.5

Light breeze

Jun

3.2

Barely noticeable

5.6

Light breeze

Jul

3.1

Barely noticeable

5.6

Light breeze

Aug

3

Barely noticeable

5.4

Light breeze

Sep

3.1

Barely noticeable

5.6

Light breeze

Oct

3.2

Barely noticeable

5.7

Light breeze

Nov

3.3

Barely noticeable

5.9

Light breeze

Dec

3.4

Barely noticeable

6.2

Light breeze

Show Relative Humidity by Month

Month

Avg. Relative Humidity

Jan

60.1%

Feb

56.2%

Mar

49.1%

Apr

45.6%

May

48.3%

Jun

57.5%

Jul

58.1%

Aug

61.1%

Sep

61.2%

Oct

60.8%

Nov

59.2%

Dec

67.8%

Is it Safe to Travel to Montreal?

Our best data indicates this area is generally safe. As of Mar 17, 2019 there are no travel advisories or warnings for Canada; exercise normal security precautions. Check this page for any recent changes or regions to avoid: Travel Advice and Advisories. This advisory was last updated on Mar 17, 2019.

The Busiest and Least Crowded Months

The busiest month for tourism in Montreal, QC, CA is July, followed by August and June. Prices for hotels and flights will be most expensive during these months, though you can save if you purchase well in advance. Tourists are unlikely to visit Montreal in December. Those willing to visit at these times will likely find it the least expensive month.

Estimated Tourism by Month

Most Popular Months to Visit

Key

Tourists Seeking Accommodations

Tourism graph is based on Google searches for services used by tourists relative to the rest of the year. Tourism data for this area is very reliable. Displayed data is calculated relative to the peak, so a score of 47.2 in December means 47.2% of the tourists vs. July.

Overall Montreal Travel Experience by Season

Spring (March through May)

Humidity and temperatures combine to make this season feel moderately cold. Highs range from 74°F (23.3°C) and 30.4°F (-0.9°C) with far warmer temperatures in the later months. Rain is somewhat common with 7 to 8 days of significant precipitation per month. Spring is the second busiest for tourism, which makes it a good time for those looking for things to do.

Summer (June through August)

The middle-year months have very comfortable weather with high temperatures that are comfortable. These months see the most precipitation with 7 to 8 days of precipitation per month. June – August is the busiest season for tourism in Montreal, so lodging and other accommodations may cost more than usual.

Fall (September through November)

Fall daily highs range from 78.5°F (25.8°C) and 39.3°F (4.1°C), which will feel chilly given the humidity and wind. It rains or snows a significant amount: 6 to 8 days per month. Tourism is the slowest during these months due to the weather, so hotels may be affordably priced.

Winter (December through February)

Weather is far too cold this time of year in Montreal to be enjoyable for warm weather travelers. The average high during this season is between 35.9°F (2.2°C) and 20.8°F (-6.2°C). On average, it rains or snows a fair amount: 6 to 10 times per month. These times of year are fairly slow with tourists.